12043243 has 4 divisors (see below), whose sum is σ = 12270528. Its totient is φ = 11815960.

The previous prime is 12043219. The next prime is 12043267. The reversal of 12043243 is 34234021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34234021 = 3559 ⋅9619.

It is an interprime number because it is at equal distance from previous prime (12043219) and next prime (12043267).

It is a cyclic number.

It is not a de Polignac number, because 12043243 - 2⁵ = 12043211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12043243.

It is not an unprimeable number, because it can be changed into a prime (12043643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113563 + ... + 113668.

It is an arithmetic number, because the mean of its divisors is an integer number (3067632).

Almost surely, 2^12043243 is an apocalyptic number.

12043243 is a deficient number, since it is larger than the sum of its proper divisors (227285).

12043243 is an equidigital number, since it uses as much as digits as its factorization.

12043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227284.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12043243 is about 3470.3375916472. The cubic root of 12043243 is about 229.2175237138.

Adding to 12043243 its reverse (34234021), we get a palindrome (46277264).

The spelling of 12043243 in words is "twelve million, forty-three thousand, two hundred forty-three".